Neuroprotective role of phosphoserine in primary open-angle glaucoma patients

S Z Scalinci, M Lugaresi, L Scorolli, M Ralli, A Greco, V Pantaleone, S Taurone, F Franzone

Research output: Contribution to journalArticlepeer-review

Abstract

OBJECTIVE: To evaluate the neuroprotective role of phosphoserine (P-Ser) in primary open-angle glaucoma (POAG) patients and to compare its therapeutic effectiveness to placebo treatment.

PATIENTS AND METHODS: Fifty-one patients (24 males and 27 females) between 35 and 61 years (average 46 years ± 3.8 SD) affected by POAG were enrolled in this study. Patients were divided in two groups: group A included 28 subjects that received an oral P-Ser treatment for 12 months; and group B included 23 subjects that received an oral placebo treatment for 12 months. Complete ophthalmological examination, standard automated perimetric examination, analysis of ON fibers via scanning laser polarimetry and glaucoma staging was performed in all patients at enrolment and 1, 3, 6, and 12 months after. Statistical analysis was performed using STATA 14.0 (Collage Station, TX, USA).

RESULTS: Mean deviation (MD) and pattern standard deviation (PSD) analysis by means of 30-2 full threshold of the visual fields (VFs), retinal nerve fiber layer (RNFL) thickness by means of GDx, and IOP were considered to evaluate P-Ser therapy effectiveness in both groups. A statistically significant improvement (p<0.05) in VF, RNFL thickness and IOP compared to pre-treatment was found in patients in group A.

CONCLUSIONS: Our study shows a significant improvement in several variables in patients with glaucoma treated with P-Ser compared to placebo and suggests a potential neuroprotective effect of P-Ser in treating glaucoma patients in association with the traditional hypotonic topical therapy.

Original languageEnglish
Pages (from-to)9780-9786
Number of pages7
JournalEur. Rev. Med. Pharmacol. Sci.
Volume24
Issue number19
DOIs
Publication statusPublished - Oct 2020

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